Editing Atari Stacy (section)

== Technical specifications ==

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{| class="wikitable styled-table"
! Component !! Specification
|-
| 'CPU' || Motorola 68HC000, 8 MHz. 16-bit external data bus, 32-bit internal registers, 24-bit address bus.
|-
| 'RAM' || 1 MB, 2 MB, or 4 MB depending on model. Expandable to 4 MB via internal upgrade.
|-
| 'ROM' || 192 KB. Atari TOS 1.04 (Rainbow TOS).
|-
| 'Display' || 10.4″ EPSON passive-matrix LCD with backlight. Supertwist technology. 640×400 pixels, monochrome. Supports high-resolution mode only on the internal display.
|-
| 'Graphics' || Atari Shifter IC. External monitor port supports all three ST video modes: 320×200 (16 colours), 640×200 (4 colours), 640×400 (mono).
|-
| 'Sound' || Yamaha YM2149F PSG. Three square-wave channels plus noise generator.
|-
| 'Storage' || Internal 3.5″ DS/DD floppy drive (720 KB). Optional internal SCSI hard drive (20 MB or 40 MB, Conner Peripherals). ACSI/DMA port for external hard drives.
|-
| 'Keyboard' || 95-key integrated keyboard.
|-
| 'Pointing device' || Built-in trackball (functions as ST mouse).
|-
| 'Blitter' || Yes (hardware bit-block transfer).
|-
| 'Ports' || 1× Parallel (Centronics), 1× Serial (RS-232C), 2× Joystick (DE-9), 1× External floppy, 1× ACSI/DMA (hard drive/laser printer), 2× MIDI (In/Out, 5-pin DIN), 1× ROM cartridge, 1× Modem, 1× External monitor.
|-
| 'Power' || DC 18V 2.0A 36W external AC adapter. Battery compartment present but sealed (unused on most production units).
|-
| 'Dimensions' || 13.3 × 15.0 × 3.3 inches (338 × 381 × 84 mm).
|-
| 'Weight' || 15.2 lb (6.9 kg).
|}